guda portage # cat /var/tmp/portage/net-print/foomatic-filters-4.0.17/temp/build.log
 * Package:    net-print/foomatic-filters-4.0.17
 * Repository: gentoo
 * Maintainer: printing@gentoo.org
 * USE:        amd64 cups dbus elibc_glibc kernel_linux multilib userland_GNU
 * FEATURES:   sandbox
>>> Unpacking source...
>>> Unpacking foomatic-filters-4.0.17.tar.gz to /var/tmp/portage/net-print/foomatic-filters-4.0.17/work
>>> Source unpacked in /var/tmp/portage/net-print/foomatic-filters-4.0.17/work
>>> Preparing source in /var/tmp/portage/net-print/foomatic-filters-4.0.17/work/foomatic-filters-4.0.17 ...
 * Applying foomatic-filters-4.0.9-multilib.patch ...                                                                                                            [ ok ]
 * Running eautoreconf in '/var/tmp/portage/net-print/foomatic-filters-4.0.17/work/foomatic-filters-4.0.17' ...
 * Running aclocal ...                                                                                                                                           [ ok ]
 * Running autoconf ...                                                                                                                                          [ ok ]
 * Running autoheader ...                                                                                                                                        [ ok ]
 * Running automake --add-missing --copy ...                                                                                                                     [ !! ]

 * Failed Running automake !
 *
 * Include in your bugreport the contents of:
 *
 *   /var/tmp/portage/net-print/foomatic-filters-4.0.17/temp/automake.out

 * ERROR: net-print/foomatic-filters-4.0.17 failed (prepare phase):
 *   Failed Running automake !
 *
 * Call stack:
 *     ebuild.sh, line   93:  Called src_prepare
 *   environment, line 2979:  Called eautoreconf
 *   environment, line  838:  Called eautomake
 *   environment, line  787:  Called autotools_run_tool 'automake' '--add-missing' '--copy'
 *   environment, line  592:  Called die
 * The specific snippet of code:
 *           die "Failed Running $1 !";
 *
 * If you need support, post the output of `emerge --info '=net-print/foomatic-filters-4.0.17'`,
 * the complete build log and the output of `emerge -pqv '=net-print/foomatic-filters-4.0.17'`.
/usr/lib64/portage/bin/isolated-functions.sh: line 213: wait: `Failed Running automake !': not a pid or valid job spec
 * The complete build log is located at '/var/tmp/portage/net-print/foomatic-filters-4.0.17/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-print/foomatic-filters-4.0.17/temp/environment'.
 * Working directory: '/var/tmp/portage/net-print/foomatic-filters-4.0.17/work/foomatic-filters-4.0.17'
 * S: '/var/tmp/portage/net-print/foomatic-filters-4.0.17/work/foomatic-filters-4.0.17'